Question about Sony Audio Players & Recorders
I have a Sony STR-D715 that I'm working on. I picked it up from a guy who said it stayed in protect mode. I had it on my bench with nothing hooked up to it and it is in protect mode. So I do some looking and I notice that a few parts on the right channel where burned. A couple transistors and 2 resistors later, I replaced the noticably burned parts and parts with shorts on them. I can't find any more shorts and it is still in protect mode. I might have narrowed it down to the stk3102 amp but I'm not sure how to check the part to see if it is working properly. Does anyone have experience with this or know a quick and dirty way to check the amp ics? I have the schematics for it if someone needs those to look at. Thanks
This is a common problem...
It is in fact a bad power-amp module.
I have repaired quite a few of these receivers by replacing it.
The module is inexpensive. I Googled the Part number and found several sources for it.
Posted on Oct 10, 2009
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Posted on Jan 02, 2017
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